Senior Linux Systems Engineer - TS/SCI with Poly
J&T Business Consulting
J&T Business Consulting in Columbia, MD is seeking a Systems Engineer 2 to provide Linux-centric system administration in a mission-critical enterprise. The role emphasizes command-line maintenance, health monitoring, and secure data/messaging flows. Qualified candidates bring at least five years of Linux administration experience and strong CLI proficiency; TS/SCI with Polygraph is required. On-call coverage and shift differentials apply for this full-time position with a competitive #J-18808-Ljbffr J&T Business Consulting
$176k - $282k
...project is currently seeking a Systems Engineer who can support the services... ...development. The interaction with corporate Data Distribution... ...Engineering efforts is required.Active TS/SCI clearance with current... ...: Information TechnologyClearance: Top Secret/SCI w/PolySeniorContract workTemporary workShift work$176k - $282k
...team is looking for a Senior Data Flow Engineer to join our team.... ...data flows and work with Engineers and developers... ...emergency issues with systems supporting dataflow.... ...Qualifications:Active TS/SCI security clearance with... ...TechnologyClearance: Top Secret/SCI w/PolySeniorContract workShift work$190k - $304k
ResponsibilitiesPeraton is seeking a Systems Engineer to support our Cyber Mission... ...and test plans. Interact with Government stakeholders... ...#PeratonRoyalMove#AJCM#MDFSPQualificationsBasic Qualifications:Active TS/SCI clearance with current... ...: Information TechnologyClearance: Top Secret/SCI w/PolySeniorContract workFor contractorsFlexible hoursShift work$25k
...Description Job Description DevOps Engineer – GIT/ Linux - 5+ yrs of Experience - TS/SCI w/Poly Required Halogen... ...control best practices-based CM systems (GIT), including branching and merging... ...requirements • Assist with support and operations where necessary...SuggestedContract workTemporary workRemote workShift work$154.05k - $278.48k
...opportunity for a Sr. Systems Engineer in our Intel Sector's... ...1 paid Holidays, 401K with a 6% company match and... ...Security!Job SummaryA Senior Systems Engineer is needed... ...Required: Must have TS/SCI with Polygraph on day... ...on Windows Server and Linux Server platforms.At Leidos...SeniorFull timeImmediate startFlexible hours$112k - $179k
...and secure. Responsibilities Systems Engineer | Location: RemoteActive TS/SCI with polygraph required - this position... ...data formatsFamiliarity with Linux operating systems CLI to manage software... ...2026-165815Position Category: EngineeringClearance: Top Secret/SCI w/PolyContract workTemporary workImmediate startShift work$176k - $282k
...is currently looking for a Systems Engineer to help the project with managing Operational... ...hardware and working from the Linux Operating Systems CLI to manage... ...bachelor’s degree.Active TS/SCI clearance with current... ...Category: Information TechnologyClearance: Top Secret/SCI w/PolyContract workTemporary workShift work$119.5k - $275k
Federal HPC Linux System Administrator, (Clearance required TS/SCI with Poly) On-Site, MarylandThis role has been designed as ‘’Onsite’ with an expectation that... ...Experience: Bachelor’s degree in Computer Science, Engineering, or related area of study OR equivalent work...Full timeWork experience placementWork at office$48.51 - $84.9 per hour
...of possibilities, pursue one with endless opportunities. Imagine... ...is seeking a versatile System Administrator to tackle new challenges... ...for the administration of Linux systems, and Windows servers... ...processes the system supports.Active TS/SCI with poly clearanceDesired...Full timeWork experience placementFlexible hours$146k - $234k
...hands-on switching and network support with desktop/endpoint administration. The ideal... ...in response to IAVAs, ensuring systems remain compliant with security baselines... ...experience may be substituted for a BS.An active TS/SCI w/Poly is required.5+ years of combined...SeniorContract workTemporary workRemote workShift work$176k - $282k
...Order Lead to oversee all engineering, technical, and... ...teams, coordinate closely with the PMO, and ensure the... ...You will serve as both a Systems Engineering lead and Scrum... ...flow analysisActive TS/SCI clearance with polygraph... ...TechnologyClearance: Top Secret/SCI w/PolyContract workShift work$146k - $234k
...Software Application Support Systems Engineer to join our team. In... ..., and collaborating with our engineering team to... ...diagnose services running in Linux. Some software includes... ...QualificationsActive TS/SCI clearance with current... ...TechnologyClearance: Top Secret/SCI w/PolyContract workTemporary workShift work$185k - $205k
...Manager in Columbia, MD, offering a lucrative $185-$205K yearly salary with active TS/SCI w/ Polygraph clearance required to apply. This role emphasizes requirements management, systems engineering processes, and tight coordination across multiple teams throughout the...Senior$176k - $282k
...seeking an experienced Systems Security professional to... ...secure, compliant with applicable security requirements... ...Active TS/SCI security clearance with... ...(17) years of Systems Engineering experience on programs... ...Information TechnologyClearance: Top Secret/SCI w/PolyContract workTemporary workShift work- ...Find the Answer. Engineer the Solution. Improve... ...is the person with the home lab, the... ...engineer who takes systems apart to understand... .... Work alongside senior engineers and architects... ...Windows and Linux systems knowledge.... ...clearance level: TS/SCI w/Poly ● US citizenship...
$146k - $234k
...User Experience software engineer to support development... ...and collaborate with systems engineers and developers... ...#MDFSPQualificationsBasic Qualifications: TS/SCI with Polygraph level... ...a strong background in Linux, CSS, JavaScript and... ...TechnologyClearance: Top Secret/SCI w/PolySeniorContract workShift work- ..., and manage secure AWS solutions for national security customers. US Citizenship and TS/SCI with poly required. This hands-on technical role demands deep software/systems engineering, coding/automation, and architecture skills. You will mentor teams, drive migration strategies...Senior
$107.9k - $195.05k
...has a new and exciting opportunity for a Systems Engineer/COMSEC Manager in our Intel Sector's... ...including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting... ....Clearance Required: Must have TS/SCI with Polygraph.Preferred QualificationsExperience...Full timeLocal areaImmediate startFlexible hours- ...looking for an opportunity to utilize your System Administrator experience and contribute... ...success. This position requires a TS/SCI with POLY. Position Summary (NK) In this role... ...troubleshoot hardware issues, manage and configure Linux, Unix, and Windows operating systems,...
$25k
...Job Description Job Description System Administrator - Linux/RedHat/Splunk - 15+ yrs of Experience - TS/SCI w/Poly Required Halogen Engineering Group is looking for a System Administrator... ...configure network components, along with implementing operating systems...Contract workTemporary workRemote workShift work$112k - $179k
ResponsibilitiesCloud Systems Administrator 2... ...clusters Perform Linux systems administration... ...Interface with hardware, network,... ...maintained Participate in engineering discussions and... ...considered Active TS/SCI clearance with... ...TechnologyClearance: Top Secret/SCI w/PolyContract workShift work$201k - $240k
...vulnerabilities, protect vital systems, and ensure operational... ...OVERVIEW Position: Systems Engineer Job Type: Full-time Location... ...Requirements: Active TS/SCI with Polygraph required (U.S. Citizen... ...projects. Contribute as a senior technical resource on complex...Full timeTemporary workRemote workFlexible hours- ...for a highly skilled Sr. Splunk Engineer to join our cybersecurity team... ...stakeholders, integrating with other security tools, and enhancing... ...looking forCurrently holds a TS/SCI with CI polygraph.Security... ...infrastructure concepts.Strong Linux and scripting (Python, Ansible...SeniorFull timeWork experience placementLocal areaRemote workWork from home
$131.8k - $290k
Job Title: Systems Engineer-TS/SCI with PolyJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * *The Opportunity:Join our team as a...Contract workWork experience placementLocal areaFlexible hours$145k - $172k
Systems Engineer 2 (TS/SCI Clearance with Full Scope Polygraph Required) Columbia, United States | Posted on 11/05/2026 Security Clearance: TS/SCI with... ...Overview The System Administrator 2 delivers comprehensive Linux systems administration and operational support within a...Contract workTemporary workShift work$250k
...Force Talent is recruiting systems administrators, systems engineers, network engineers,... ...Roles are mid-level and senior. Openings are in Laurel,... ...SCIF). U.S. citizens with an active TS/SCI with polygraph only. We... ...Administer and engineer Linux and Windows systems....Full timeContract workFor contractorsWork at officeVisa sponsorship$154.05k - $278.48k
...forefront in Security Engineering, Computer Network Operations... ...11 paid Holidays, 401K with a 6% company match and... ...with Information System Security Officers (ISSOs... ...-depth experience with Linux security as it relates... ...Clearance Required: Must have TS/SCI with Polygraph....SeniorFull timeImmediate startFlexible hours$103.8k - $218.1k
Job Title: Software Test Engineer (TS/SCI w/Poly)Job Category: EngineeringTime Type... ...Required to Start: TS/SCI with PolygraphEmployee Type:... ...functional team, you will analyze system requirements to develop... ...years' experience testing in Linux, Unix, Windows, or Cisco OS...Contract workWork experience placementLocal areaImmediate startFlexible hours$72.7k - $149.2k
Job Title: Software Engineer 1 (TS/SCI w/Poly)Job Category: Information TechnologyTime... ...Required to Start: TS/SCI with PolygraphEmployee Type:... ...complex and diverse software systems (e.g., processing-intensive... ...and Dependency Injection.• Linux proficiency is required, all...Contract workWork experience placementLocal areaImmediate startFlexible hours$135k - $216k
...is seeking a Cloud System Administrator to support... ...operations. The engineer will work within a... ..., partnering with cross-agency stakeholders... ...Seven (7) years of Linux Systems... ...bachelor’s degree.Active TS/SCI with polygraph is required... ...TechnologyClearance: Top Secret/SCI w/PolyContract workTemporary workShift work
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